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I had the great experience with ThinkEye Hospitals. My father had laser cataract surgery without complication. Dr. Mamatha took good efforts to explain the procedure and everything is transparent. Friendly staff and doctors.
Dr Arpitha saved my eyes. Had I not gone to them sooner I could have lost my eyes. Dr Arpitha responded fast and saved my eyes. One of the best eye doctors in Hyderabad.
I went for a second opinion to thinkeye... My initial though was to get a second opinion and go back to the first doctor for surgery. But Dr mamatha captured my trust. They explained everything to me in detail and I decided to go for the surgery at Think eye....
Mr. Kartik Kumar
Best hospital for cataract surgery in Hyderabad. My mother in law's cataract surgery was sucessful. It was recommended by a friend of mine and now I would happily recommend it to anyone in need of cataract surgery.
Having a clear and 10/10 vision is crucial for a comfortable life. However, several people do need to undergo vision correction using glasses and other medical interventions. If you are tired of wearing glasses due to aesthetic or comfort reasons, contact lenses are the next best thing.
Much like your prescription for glasses, your ophthalmologist will prescribe you contact lenses too. Knowing about the contact lens, their examination process, and the types can help you choose the best option for your vision.
Types of Contact Lens
While you will come across multiple terminologies and categories of contact lenses, they are predominantly subdivided into two main types – the duration you can wear them for and the kind of eye conditions they correct.
Duration based contact lens
The first category of contact lenses is dependent on the wearing pattern. Some can be worn daily, monthly, two weekly, and some even for extended wear. However, due to hygiene purposes, individuals are resorting to daily or monthly lenses.
These are the types of contact lenses that are worn to correct vision problems like presbyopia. They include multifocal lenses and toric lenses.
What is Contact Lens Prescribed for?
Contact lenses are a superior alternative to glasses and are a lot less invasive. They are prescribed for:
- Myopic patients – In patients diagnosed with refractive errors like myopia, hyperopia, astigmatism or presbyopia.
- Ectatic disorder patients – Ipatients diagnosed with different types of ectatic disorders like keratoconus, keratoglobus, Terrien’s marginal degeneration, and Pellucid marginal degeneration.
- Post-operative needs – In patients who have undergone vision corrective surgeries like LASIK, photorefractive keratectomy, corneal transplant, etc.
Contact Lens Exam
Much like how every patient with vision errors has their specifically prescribed glasses with unprecedented power, the same goes for the contact lenses. They are subjective and should only be made using an ophthalmologist’s prescription.
Any kind of issues with the curvature of the contact lens or the shape will cause discomfort and even permanent damage to the eyes. So, your ophthalmologist will conduct a comprehensive examination to ensure the correct contact lens fitting.
The first step starts with the measurement of the eye’s surface along with the curvature. A medical instrument, a keratometer, is used for the same.
Tear film evaluation
Once the correct shape and size of the eyes are noted down, the next step is the tear film evaluation. The doctor will administer some fluorescein dye in your eyes and wait till your tear film in the eyewashes the dye out. The doctor notes down the time taken for the same. If your eyes don’t produce enough moisture, contact lenses might not be the best option for you.
Evaluation of the eye’s surface
The last step of the examination is evaluating the health of your cornea. The ophthalmologist will use a biomicroscope for the same. The instrument gives the doctor a better look at the eye’s surface to evaluate any future changes with wearing contact lenses. The same device is also used in assessing the fit of the lenses to ensure proper alignment of the contact lens in the eyes.
Once the initial examination is done and your doctor has all the basic information and data written down, they will then write you a contact lens prescription that will help correct your vision error and be 100% comfortable for you to wear for multiple hours in a day.
Generally, the overall examination process takes between a day or two for the final contact lens fitting. After the prescription is written down, the patient will have to come back for annual eye check-ups.
Our specialists at Thinkeye have treated over 35000+ patients and we have gained tens of thousands of loyal brand ambassadors over the decades. Listen to what our brand ambassadors have to say about our services…
Dr Mamatha saved my eyes. Thanks to her for saving my life.
Dr Arpitha was diagnosed and treated my eye problem very promptly.
Mr. Mallesh Yadev
Best place for LASIK surgery in Hyderabad.
Best hospital to go to if you have any eye problems
Laser Surgery for Retina
I had the great experience with ThinkEye Hospitals. My father had laser cataract surgery without complication. Dr. Mamatha took good efforts to explain the procedure and everything is transparent. Friendly staff and...
Dr Arpitha saved my eyes. Had I not gone to them sooner I could have lost my eyes. Dr Arpitha responded fast and saved my eyes. One of the best eye doctors...
I went for a second opinion to thinkeye... My initial though was to get a second opinion and go back to the first doctor for surgery. But Dr mamatha captured my trust....
Mr. Kartik Kumar
Best hospital for cataract surgery in Hyderabad. My mother in law's cataract surgery was sucessful. It was recommended by a friend of mine and now I would happily recommend it to anyone...